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REVISED CHECKLIST OF THE VASCULAR PLANTS OF BRYCE CANYON NATIONAL PARK, UTAH
Vol 41, Page 109, Date 1981
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Nomenclatural changes and new species in Platypodidae and Scolytidae (Coleoptera)
Vol 41, Page 121, Date 1981
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REPTILE POPULATION CHANGES WITH MANIPULATION OF SONORAN DESERT SHRUB
Vol 41, Page 129, Date 1981
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A new Hypsiglena from Tiburon Island, Sonoroa, Mexico
Vol 41, Page 139, Date 1981
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ERIOGONUM DIVARICATUM HOOK. (POLYGONACEAE), AN INTERMOUNTAIN SPECIES IN ARGENTINA
Vol 41, Page 143, Date 1981
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COMPOSITIONAL SIMILARITY WITHIN THE OAKBRUSH TYPE IN CENTRAL AND NORTHERN UTAH
Vol 41, Page 147, Date 1981
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Additional distributional records and abundance of three species of snakes in southwestern Idaho
Vol 41, Page 154, Date 1981
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ALARM CALL OF THE PYGMY RABBIT (BRACHYLAGUS IDAHOENSIS)
Vol 41, Page 158, Date 1981
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ULTRASTRUCTURE OF EOCENE FOSSIL PLANTS
Vol 41, Page 161, Date 1981
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DISPERSAL AND DISPERSION OF AN INTRODUCED POPULATION OF SYLVILAGUS FLORIDANUS
Vol 41, Page 167, Date 1981
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THE 1900 INVASION OF ALIEN PLANTS INTO SOUTHERN IDAHO
Vol 41, Page 176, Date 1981
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A NEW VARIETY OF CENTAURIUM NAMOPHILUM (GENTIANACEAE) FROM THE GREAT BASIN
Vol 41, Page 192, Date 1981
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ON THE TYPIFICATION OF SALVIA DORRII (LAMIACEAE)
Vol 41, Page 198, Date 1981
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PARASITES OF INDOCHINESE REFUGEES ENTERING UTAH COUNTY, UTAH: A TWO-YEAR SURVEY
Vol 41, Page 201, Date 1981
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THE INVERTEBRATE FAUNA OF THE CAVES OF THE UINTA MOUNTAINS, NORTHEASTERN UTAH
Vol 41, Page 207, Date 1981
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EVALUATING THE RELATIONSHIP BETWEEN MULE DEER PELLET-GROUP DATA AND AVAILABLE WINTER RANGE, USING LANDSAT IMAGERY
Vol 41, Page 213, Date 1981
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TIME BUDGETS OF WYOMING GROUND SQUIRRELS, SPERMOPHILUS ELEGANS
Vol 41, Page 221, Date 1981
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A NEW PULVINATE ERIOGONUM (POLYGONACEAE) FROM UTAH
Vol 41, Page 229, Date 1981
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A CHECKLIST OF THE ALPINE VASCULAR FLORA OF THE TETON RANGE, WYOMING, WITH NOTES ON BIOLOGY AND HABITAT PREFERENCES
Vol 41, Page 232, Date 1981
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SOME SPATIAL AND BEHAVIORAL FEATURES OF THE THIRTEEN-LINED GROUND SQUIRREL
Vol 41, Page 243, Date 1981
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OVERWINTER SURVIVAL OF RING-NECKED PHEASANTS IN UTAH
Vol 41, Page 247, Date 1981
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DIETS OF SYMPATRIC RED FOXES AND COYOTES IN SOUTHEASTERN IDAHO
Vol 41, Page 251, Date 1981
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THE EFFECT OF ELEVATED TEMPERATURE ON COPPER TOXICITY TO THE THERMOPHILIC ALGA SYNECHOCOCCUS LIVIDUS (CYANOPHYCEAE)
Vol 41, Page 255, Date 1981
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AVIFAUNA OF THE MT. DELLENBAUGH REGION, SHIVWITS PLATEAU, ARIZONA
Vol 41, Page 259, Date 1981
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LONG-TERM PLANT SURVIVAL AND DENSITY DATA FROM RECLAIMED SOUTHWESTERN COAL MINE SPOILS
Vol 41, Page 271, Date 1981
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VIABILITY OF SEED FROM THIRTY-TWO SHRUB AND FORB SPECIES THROUGH FIFTEEN YEARS OF WAREHOUSE STORAGE
Vol 41, Page 274, Date 1981
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CONTRIBUTIONS TO THE LIFE HISTORY OF SACRAMENTO PERCH, ARCHOPLITES INTERRUPTUS, IN PYRAMID LAKE, NEVADA
Vol 41, Page 278, Date 1981
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BIRD COMMUNITY COMPOSITION IN RELATION TO HABITAT AND SEASON IN BETATAKIN CANYON, NAVAJO NATIONAL MONUMENT, ARIZONA
Vol 41, Page 298, Date 1981
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Reproduction in Hypsiglena
Vol 41, Page 310, Date 1981
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CHRYSOTHAMNUS NAUSEOSUS SSP. IRIDIS (ASTERACEAE): A NEW ENDEMIC FROM UTAH
Vol 41, Page 311, Date 1981
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DIATOMS OF OREGON CAVES NATIONAL MONUMENT, OREGON
Vol 41, Page 317, Date 1981
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ADDITIONAL RECORDS OF THE DARK KANGAROO MOUSE (MICRODIPODOPS MEGACEPHALUS NASUTUS), WITH A NEW MAXIMUM ALTITUDE
Vol 41, Page 333, Date 1981
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GRAZING IMPACTS ON THE SAGEBRUSH COMMUNITIES OF CENTRAL UTAH
Vol 41, Page 335, Date 1981
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ADAPTING SALT CREEK PUPFISH (CYPRINODON SALINUS) TO FRESH WATER
Vol 41, Page 341, Date 1981
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WINTER CRUDE PROTEIN AMONG ACCESSIONS OF FOURWING SALTBUSH GROWN IN A UNIFORM GARDEN
Vol 41, Page 343, Date 1981
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COYOTE-BADGER ASSOCIATIONS
Vol 41, Page 347, Date 1981
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New Nearctic Chloroperlidae (Plecoptera)
Vol 41, Page 349, Date 1981
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ADDITIONAL BLACK-FOOTED FERRET (MUSTELA NIGRIPES) REPORTS FROM WYOMING
Vol 41, Page 360, Date 1981
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POCKET GOPHERS (THOMOMYS TALPOIDES) IN SUCCESSIONAL STAGES OF SPRUCE-FIR FOREST IN IDAHO
Vol 41, Page 362, Date 1981
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UNUSUAL TOOTH WEAR IN ELK AT GLACIER NATIONAL PARK, MONTANA
Vol 41, Page 368, Date 1981
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SEED DISPERSAL IN HYBRID SALSOLA
Vol 41, Page 370, Date 1981
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ELECTROPHORESIS OF ISOENZYMES OF 16 WESTERN SHRUBS: TECHNIQUE DEVELOPMENT
Vol 41, Page 377, Date 1981
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NEST OF FORMICA PROPINQUA (HYMENOPTERA:FORMICIDAE)
Vol 41, Page 389, Date 1981
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RANGE EXTENSION OF HELIANTHUS SPP. (ASTERACEAE) IN ARIZONA AND UTAH
Vol 41, Page 393, Date 1981
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SPECIES COMPOSITION AND RELATIVE ABUNDANCE OF ADULT FISH IN PYRAMID LAKE, NEVADA
Vol 41, Page 395, Date 1981
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FEEDING INTERRELATIONS OF NATIVE FISHES IN A SONORAN DESERT STREAM
Vol 41, Page 409, Date 1981
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NOTES ON THE REPRODUCTIVE BIOLOGY OF ZIGADENUS PANICULATUS, A TOXIC RANGE PLANT
Vol 41, Page 427, Date 1981
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A NOTE ON THE FOOD OF CALLIBAETIS (EPHEMEROPTERA:BAETIDAE)
Vol 41, Page 431, Date 1981
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SUBAERIAL ALGAE OF NAVAJO NATIONAL MONUMENT, ARIZONA
Vol 41, Page 433, Date 1981
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HISTORY AND STATUS OF THE FRANKLIN'S GULL ON MALHEUR NATIONAL WILDLIFE REFUGE, OREGON
Vol 41, Page 440, Date 1981
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Ophiotaenia critica (Cestoda: Proteocephalidae), a parasite of the Colorado River squawfish
Vol 41, Page 445, Date 1981
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SUMMER FOOD HABITS OF COYOTES IN CENTRAL WYOMING
Vol 41, Page 449, Date 1981
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MICROENVIRONMENT AND NEST SITE SELECTION BY RING-NECKED PHEASANTS IN UTAH
Vol 41, Page 457, Date 1981
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BALD EAGLE WINTER SURVEY IN THE SNAKE RIVER CANYON, WYOMING
Vol 41, Page 461, Date 1981
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LENGTH OF WESTERN TENT CATERPILLAR EGG MASSES AND DIAMETER OF THEIR ASSOCIATED STEMS
Vol 41, Page 465, Date 1981
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UNDERSTORY VEGETATION IN FULLY STOCKED PINYON-JUNIPER STANDS
Vol 41, Page 467, Date 1981
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ASSOCIATION OF RHABDOCLINE NEEDLE BLIGHT AND EPICORMIC BRANCHING IN DOUGLAS-FIR
Vol 41, Page 476, Date 1981